linux-kernel - Re: [stable] [Intel-gfx] Intel 915GM MCHBAR bug

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Message-ID: <20090629182738.GD3901@kroah.com>
Date:	Mon, 29 Jun 2009 11:27:38 -0700
From:	Greg KH <greg@...ah.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	intel-gfx@...ts.freedesktop.org, woodys@...dros.com,
	stefan.bader@...onical.com, linux-kernel@...r.kernel.org,
	penberg@...helsinki.fi, Jesse Barnes <jbarnes@...tuousgeek.org>,
	apw@...onical.com, tim.gardner@...onical.com,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: [stable] [Intel-gfx] Intel 915GM MCHBAR bug

On Mon, Jun 29, 2009 at 10:33:08AM -0700, Greg KH wrote:
> On Tue, Jun 09, 2009 at 03:28:28PM -0700, Andrew Morton wrote:
> > On Tue, 9 Jun 2009 15:07:57 -0700
> > Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> > 
> > > > > Andrew Morton wrote:
> > > > > > These might end up being 2.6.30.1 material.
> > > > > 
> > > > > Yes, agreed completely. We probably want ACK from Jesse and Bjorn,
> > > > > though.
> > > > 
> > > > I'm ok with it being 2.6.30.1 stuff, but given the significance of the
> > > > change we were worried about putting it into 2.6.30 late in the cycle.
> > > > But as you say, it's a very important performance fix for many
> > > > machines...
> > > > 
> > > > Anyway, Eric may already have it merged.  Eric?
> > > > 
> > > 
> > > It's merged now into the drm-intel-next tree, and therefore queued for
> > > the merge window.
> > 
> > <hunts around for a while>
> > 
> > This? http://git.kernel.org/?p=linux/kernel/git/anholt/drm-intel.git;a=commitdiff;h=d765898970f35acef960581f678b9da9d5c779fa;hp=1b8e69662e1a086878bf930a6042daf7f8a076cc
> > 
> > It doesn't have cc:stable in the changelog, so there's a reasonable
> > chance that it will get lost.
> > 
> > The -stable guys troll the commit list looking for mainline commits
> > which mention stable@...nel.org in the changelog.
> 
> I got it for the next .30 release.

I take it back.  It doesn't build properly on 2.6.30, can someone
backport commit d765898970f35acef960581f678b9da9d5c779fa to the 2.6.30
tree and send it to stable@...nel.org so that we can apply it to resolve
this issue?

And is it relevant to 2.6.29 as well?

thanks,

greg k-h
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